213122560

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1736

約数の個数: 120

約数和(自身を含む): 594772200

約数和(自身を除く): 381649640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1699, 1792, 1960, 2240, 2560, 3136, 3398, 3584, 3920, 4480, 6272, 6796, 7840, 8495, 8960, 11893, 12544, 13592, 15680, 16990, 17920, 23786, 25088, 27184, 31360, 33980, 47572, 54368, 59465, 62720, 67960, 83251, 95144, 108736, 118930, 125440, 135920, 166502, 190288, 217472, 237860, 271840, 333004, 380576, 416255, 434944, 475720, 543680, 666008, 761152, 832510, 869888, 951440, 1087360, 1332016, 1522304, 1665020, 1902880, 2174720, 2664032, 3044608, 3330040, 3805760, 4349440, 5328064, 6089216, 6660080, 7611520, 10656128, 13320160, 15223040, 21312256, 26640320, 30446080, 42624512, 53280640, 106561280, 213122560]

約数ペア:

[(1, 213122560), (2, 106561280), (4, 53280640), (5, 42624512), (7, 30446080), (8, 26640320), (10, 21312256), (14, 15223040), (16, 13320160), (20, 10656128), (28, 7611520), (32, 6660080), (35, 6089216), (40, 5328064), (49, 4349440), (56, 3805760), (64, 3330040), (70, 3044608), (80, 2664032), (98, 2174720), (112, 1902880), (128, 1665020), (140, 1522304), (160, 1332016), (196, 1087360), (224, 951440), (245, 869888), (256, 832510), (280, 761152), (320, 666008), (392, 543680), (448, 475720), (490, 434944), (512, 416255), (560, 380576), (640, 333004), (784, 271840), (896, 237860), (980, 217472), (1120, 190288), (1280, 166502), (1568, 135920), (1699, 125440), (1792, 118930), (1960, 108736), (2240, 95144), (2560, 83251), (3136, 67960), (3398, 62720), (3584, 59465), (3920, 54368), (4480, 47572), (6272, 33980), (6796, 31360), (7840, 27184), (8495, 25088), (8960, 23786), (11893, 17920), (12544, 16990), (13592, 15680)]